Posts by: Alex Yang

Tutorial: Python Regex (Regular Expressions) for Data Scientists

In this tutorial, learn how to use regular expressions and the pandas library to manage large data sets during data analysis.

Data Science Project: Profitable App Profiles for App Store and Google Play

Learn to do a complete data analysis project using only basic Python to find out what genre of apps an app developer should focus on.

Data Science Portfolio Project: Where to Advertise an E-learning Product

At Dataquest, we strongly advocate portfolio projects as a means of getting a first data science job. In this blog post, we’ll walk you through an example portfolio project. The project is part of our Statistics Intermediate: Averages and Variability course, and it assumes familiarity with: Sampling (populations, samples, sample representativity) Frequency distributions Box plots […]

Data Science Portfolio Project: Is Fandango Still Inflating Ratings?

At Dataquest, we strongly advocate portfolio projects as a means of getting your first data science job. In this blog post, we’ll walk you through an example portfolio project. The project is part of our Statistics Fundamentals course, and it assumes some familiarity with: Sampling (simple random sampling, populations, samples, parameters, statistics) Variables Frequency distributions […]

An In-Depth Style Guide for Data Science Projects

Data science projects are becoming more important in the world of data analysis, so it’s important to understand best practices and styles for data science projects.